Other animals › Swimming Crabs
Speckled Swimming Crab
Arenaeus cribrarius
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Atlantic Blue CrabCallinectes sapidus
Ocellate Lady CrabOvalipes ocellatus
Atlantic Ghost CrabOcypode quadrata
Pacific Speckled CrabArenaeus mexicanus
Atlantic Sand CrabEmerita talpoida
Lesser Blue CrabCallinectes similis
Sargassum Swimming CrabPortunus sayi
Ornate Blue CrabCallinectes ornatus
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 3,124 |
|---|---|
| South Carolina | 768 |
| North Carolina | 547 |
| Texas | 403 |
| Alabama | 317 |
| Brazil | 141 |
| Georgia | 120 |
| Sao Paulo | 52 |
| Virginia | 48 |
| Mexico | 34 |
Counts show where people looked, not only where it lives.
Traits
Physical
- ExoskeletonHas a hard external skeletonFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Arthropods · Arthropoda |
| Class | Malacostracans · Malacostraca |
| Order | Decapods · Decapoda |
| Family | Swimming Crabs · Portunidae |
| Genus | Arenaeus |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Speckled Swimming Crab with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.